<template>
  <el-container>
    <el-aside width="200px">
      <el-menu
        mode="vertical"
        style="height:100vh"
        :default-active="$route.path"
        router
      >
        <el-submenu
          v-for="(item, index) in menus.items"
          :index="String(index + 1)"
          :key="`menu-item-${index}`"
        >
          <template slot="title">{{ item.title }}</template>
          <el-menu-item
            v-for="(subItem, subIndex) in item.items"
            :key="`menu-item-${index}-${subIndex}`"
            :index="subItem.path"
          >
            {{ subItem.title }}
          </el-menu-item>
        </el-submenu>
      </el-menu>
    </el-aside>
    <el-container>
      <el-header height="">
        <h1>全栈之巅 - 后台管理界面</h1>
      </el-header>
      <el-main height="">
        <router-view ::key="$route.path"></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script lang="ts">
import { Component, Vue } from 'vue-property-decorator'
@Component({})
export default class Main extends Vue {
  menus = {
    items: [
      {
        title: '内容管理',
        items: [
          { title: '首页', path: '/' },
          { title: '课程管理', path: '/courses/list' },
          { title: '课时管理', path: '/episodes/list' }
        ]
      },
      {
        title: '运营管理',
        items: [{ title: '用户管理', path: '/user/list' }]
      }
    ]
  }
  select() {}
}
</script>
